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Torque specifications – Rockwell Automation 20B PowerFlex 700 Drives - Frame 10 Components Replacement User Manual

Page 19

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Rockwell Automation Publication 20B-IN026B-EN-P - July 2013

19

Component Diagrams and Torque Specifications

Chapter 1

Torque Specifications

The following table lists fastener locations by component, how the fasteners are
used, and torque specifications. See

Torque Sequence

in this chapter for fastening

two-point, four-point, and six-point components to the heat sink.

Table 1 - Inverter Torque Specifications

Torque

Component

Fastener Application

lb•in

N•m

24V Power Supply Board

Fasten to the Stacking Panel

16

1.8

AC Output Busbar

Fasten to the standoff set screws and IGBT
heatsink

50

5.6

Balancing Resistor

Fasten to the DC+ Busbar of the Transitional
Busbar Assembly

26

2.9

Busbar (U, V, W)

Fasten to the Output Busbar

208

23.5

Bus Capacitor Busbar

Fasten to the Bus Capacitors

50

5.6

Bus Capacitor Set Screw (longer)

Fasten to Capacitor (for mounting to Transitional
Busbar Assembly)

3

0.3

Bus Capacitor Set Screw (shorter)

Fasten to Capacitor (for mounting to Bus Capacitor
Busbar)

2

0.2

Capacitor Bank Fan

Fasten to bottom of Capacitor bank

16

1.8

Current Transducer Assembly

Fasten to the Heatsink

50

5.6

Current Transducer Mounting
Brackets

Fasten to Current Transducer

50

5.6

DC Bus Filter Board

Fasten to the Stacking Panel

16

1.8

Encoder Board

Fasten to the Main Control Panel

5

0.6

Fan Transformer
(IP20 version only)

Fasten to the IP20 Enclosure

Hand Tighten

Flexible Capacitor Busbars

Fasten to the Transitional Busbar and IGBT board

50

5.6

Gate Interface Board

Fasten to the chassis

16

1.8

Heatsink Fan

Fasten to mounting plate

26

2.9

Heatsink Fan Mounting Plate

Fasten to chassis

50

5.6

HIM Cradle/Board

Fasten to the Communications Panel

26

2.9

IGBT Boards

Fasten to Heatsink

Initial Sequence:

6

0.7

Second Sequence:

14

1.6

Final Sequence:

50

5.6

Main Control Board

Fasten to the Main Control Panel

5

0.6

Main Control Panel Assembly

Fasten to the Stacking Panel

50

5.6

Output Busbar

Fasten to the AC Output Busbar

80

9.0

Output Busbar Standoff Nuts

Fasten to the Output Busbar

50

5.6

Power Interface Board

Fasten to the Main Control Panel

16

1.8

Stacking Panel

Fasten to the chassis

50

5.6